Vacuum cleaner



FIG. 1 is a top, front and right perspective view of a vacuum cleaner showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a top, front and right side perspective view of a second embodiment thereof;

FIG. 9 is a right side elevational view thereof;

FIG. 10 is a left side elevational view thereof;

FIG. 11 is a front elevational view thereof;

FIG. 12 is a rear elevational view thereof; and

FIG. 13 is a top plan view thereof.

The undisclosed bottom plan view of the second embodiment is the same as FIG. 7. 

The ornamental design for a vacuum cleaner, as shown and described. 